Aug. 2009 — Hot, Flat, and Crowded by Tom Friedman What it's about: Friedman details the urgent need for environmental conservation and renewal while explaining the historical causes that have threatened the planet's stability and well-being. Hot, Flat, and Crowded by Tom Friedman ($14) Image Source: Amazon Hot, Flat, and Crowded by Tom Friedman $14 from amazon.com Buy Now